/*
 * temperature_conversion.c
 *
 *   K&R Exercise 1.4
 *   Print Celsius-Fahrenheit table
 *   for celsius = -100, -90, ... 0, 10, ... 100.
 *
 */


#include <stdio.h>


#define LOWER   -100
#define UPPER   100
#define STEP    10


int
main()
{
        float celsius, fahr;

        celsius = LOWER;
        while (celsius <= UPPER) {
            fahr = 9.0/5.0 * celsius + 32.0;

            /*
             * printf modifiers:
             * %f floats
             * %d ints
             *
             * special characters:
             * \n newline
             * \t tab
             *
             * width.precision  for %f
             */
            printf("Celsius: %6.1f\t Fahrenheit: %6.1f\n", celsius, fahr);

            celsius = celsius + STEP;
        }

        return 0;
}